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Hypoglossal Nerve

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https://www.readbyqxmd.com/read/29214634/a-case-of-hypoglossal-nerve-stimulator-resistant-obstructive-sleep-apnea-cured-with-the-addition-of-a-chin-strap
#1
Apoorva T Ramaswamy, Carol Li, Maria V Suurna
A population of appropriately selected patients does not respond, or does not achieve cure, with hypoglossal nerve stimulation (HGNS). We describe the case of nonresponder whose obstructive sleep apnea (OSA) resolved with the addition of chin strap. After initial placement and titration of HGNS implant, follow-up sleep study demonstrated persistent moderate OSA. Drug-induced sleep endoscopy demonstrated supraglottic collapse with activate neurostimulation. With mouth closure and change of stimulation settings to unipolar from bipolar, the airway collapse and desaturations improved...
December 7, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29208411/distribution-of-nadph-diaphorase-reactivity-in-the-central-nervous-system-of-the-common-toad-bufo-bufo
#2
Claudia Pinelli, Arun G Jadhao, Anna Scandurra, Biagio D'Aniello
We examined the distribution of nicotinamide adenine dinucleotide phosphate-diaphorase (NADPH-d)-reactive elements in the central nervous system (CNS) of the common toad, Bufo bufo. The investigation involved adult male and female toads collected during the breeding season. Labeled neurons of different morphological appearances (weakly or darkly stained, unipolar, bipolar, and multipolar) and fibers were observed across all subdivisions of the amphibian brain. Overall, a similar distribution of NADPH-d-labeled neurons was observed in the brain of male and female toads...
December 2, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/29206695/drug-induced-sleep-endoscopy-from-obscure-technique-to-diagnostic-tool-for-assessment-of-obstructive-sleep-apnea-for-surgical-interventions
#3
Joshua H Atkins, Jeff E Mandel
PURPOSE OF REVIEW: Provide a practical update on drug-induced sleep endoscopy (DISE) for anesthesia providers, which can also serve as a reference for those preparing to establish a DISE program. RECENT FINDINGS: New developments in surgical approaches to OSA and the growing global incidence of the condition have stimulated increased interest and demand for drug-induced sleep endoscopy. New techniques include transoral robotic surgery and hypoglossal nerve stimulation...
December 4, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/29204583/osa-treatment-history-in-an-upper-airway-stimulation-trial-cohort
#4
Ryan J Soose, Tapan A Padhya, M Boyd Gillespie, Oleg Froymovich, Ho-Sheng Lin, B Tucker Woodson
Objectives: Analyze the obstructive sleep apnea (OSA) treatment history in a group of participants who enrolled in a hypoglossal nerve stimulation trial. Methods: Moderate-severe OSA patients with difficulty adhering to CPAP presented for enrollment in a multicenter trial. Self-reported history on prior OSA medical therapy was collected at enrollment, including OSA diagnosis date, CPAP start and stop dates, oral appliance trial, and reasons for discontinuation or non-adherence...
June 2017: World journal of otorhinolaryngology—head and neck surgery
https://www.readbyqxmd.com/read/29203260/the-helsinki-face-transplantation-surgical-aspects-and-1-year-outcome
#5
Patrik Lassus, Andrew Lindford, Jyrki Vuola, Leif Bäck, Sinikka Suominen, Karri Mesimäki, Tommy Wilkman, Tuija Ylä-Kotola, Erkki Tukiainen, Hannu Kuokkanen, Jyrki Törnwall
BACKGROUND: Since 2005, at least 38 facial transplantations have been performed worldwide. We herein describe the surgical technique and 1-year clinical outcome in Finland's first face transplant case. METHODS: A 34-year-old male who had a severe facial deformity following ballistic trauma in 1999 underwent facial transplantation at the Helsinki University Hospital on 8th February 2016. Three-dimensional (3D) technology was used to manufacture donor and recipient patient-specific osteotomy guides and a donor face mask...
November 15, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29191538/collet-sicard-syndrome-attributable-to-extramedullary-plasmacytoma-of-the-jugular-foramen
#6
Soliman Oushy, Christopher S Graffeo, Avital Perry, Jonathan M Morris, Matthew L Carlson, Jamie J Van Gompel
BACKGROUND: Collet-Sicard syndrome is a rare manifestation of skull base disease involving the jugular and hypoglossal foramina. We report the first case of Collet-Sicard attributable to extramedullary plasmacytoma-multiple myeloma (EP-MM), as well as the second case of EP-MM precipitating a jugular foramen syndrome (JFS)-spectrum disorder. CASE DESCRIPTION: A fifty-nine-year-old woman presented with 4-months of left aural fullness and pulsatile tenderness, positional vertigo, hoarseness, and dysphagia...
November 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29187691/-tapia-s-syndrome-following-transesophageal-echocardiography-during-an-open-heart-operation-a-case-report
#7
Satoru Fujiwara, Hajime Yoshimura, Kenta Nishiya, Keiichi Oshima, Michi Kawamoto, Nobuo Kohara
A 67-year-old man presented with hoarseness, dysarthria and deviation of the tongue to the left side the day after the open-heart operation under general anesthesia. Brain MRI demonstrated no causal lesion, and laryngoscope showed left vocal cord abductor palsy, so we diagnosed him with Tapia's syndrome (i.e., concomitant paralysis of the left recurrent and hypoglossal nerve). His neurological symptoms recovered gradually and improved completely four months after the onset. Tapia's syndrome is a rare condition caused by the extra cranial lesion of the recurrent laryngeal branch of the vagus nerve and the hypoglossal nerve, and mostly described as a complication of tracheal intubation...
November 28, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/29181992/the-significance-of-the-pharyngeal-veins-during-carotid-endarterectomy-description-of-an-anatomical-triangle
#8
J Aldoori, V Mahadevan, M Aldoori
Injuries to the hypoglossal and vagus nerves are the most commonly reported injuries during carotid endarterectomy. While unilateral single nerve injury is usually well tolerated, bilateral or combined nerve injuries can pose a serious threat to life. This study aims to increase awareness of the inferior pharyngeal vein, which usually passes posterior to the internal carotid artery but sometimes crosses anterior to it. Injury to either or both hypoglossal and vagus nerves can occur during control of unexpected haemorrhage from the torn and retracted edges of the inferior pharyngeal vein...
November 28, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29175571/hypoglossal-schwannoma-of-the-neck-a-case-report-and-review-of-the-literature
#9
Aaron Plitt, Tarek Y El Ahmadieh, Shivani Bindal, Larry Myers, Jonathan White, Wayne Gluf
BACKGROUND: Schwannomas are benign, slow growing neoplasms of the myelin-producing Schwann cells of peripheral nervous system that most commonly affect sensory nerves. Hypoglossal schwannomas, a tumor of a purely motor nerve, comprise less than 5% of all head and neck schwannomas. Since the first description of a hypoglossal schwannoma in 1933, there have been very few case reports of extracranial origins. The most common location of an extracranial hypoglossal schwannoma is in the parapharyngeal space, and can mimic paragangliomas...
November 22, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29153261/improving-surgical-results-in-complex-nerve-anatomy-during-implantation-of-selective-upper-airway-stimulation
#10
Zhaojun Zhu, Benedikt Hofauer, Clemens Heiser
The following report presents a case of two late embedded hypoglossus branches during implantation of an upper airway stimulation device that caused a mixed activation of the tongue when included in the stimulation cuff. In the end, correct cuff placement could be achieved by careful examination of the hypoglossal nerve anatomy, precise nerve dissection, tongue motion analysis and intraoperative nerve monitoring.
November 15, 2017: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29098288/hypoglossal-nerve-stimulation-in-adolescents-with-down-syndrome-and-obstructive-sleep-apnea
#11
Gillian R Diercks, Carissa Wentland, Donald Keamy, Thomas Bernard Kinane, Brian Skotko, Vanessa de Guzman, Ellen Grealish, John Dobrowski, Ryan Soose, Christopher J Hartnick
Importance: Obstructive sleep apnea (OSA) affects up to 60% of children with Down syndrome (DS) and may persist in half of patients after adenotonsillectomy. Children with DS who have persistent OSA often do not tolerate treatment with positive pressure airway support devices or tracheotomy for their residual moderate to severe OSA. The hypoglossal nerve stimulator is an implantable device that delivers an electrical impulse to anterior branches of the hypoglossal nerve in response to respiratory variation, resulting in tongue base protrusion that alleviates upper airway obstruction in adults...
November 2, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/29094077/quantitative-facial-electromyography-monitoring-after-hypoglossal-facial-jump-nerve-suture
#12
Jan Flasar, Gerd Fabian Volk, Thordis Granitzka, Katharina Geißler, Andrey Irintchev, Thomas Lehmann, Orlando Guntinas-Lichius
Objectives/Hypothesis: The time course of the reinnervation of the paralyzed face after hypoglossal-facial jump nerve suture using electromyography (EMG) was assessed. The relation to the clinical outcome was analyzed. Study Design: Retrospective single-center cohort study. Methods: Reestablishment of motor units was studied by quantitative EMG and motor unit potential (MUP) analysis in 11 patients after hypoglossal-facial jump nerve suture...
October 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29074449/intermittent-but-not-sustained-moderate-hypoxia-elicits-long-term-facilitation-of-hypoglossal-motor-output
#13
Julia E R Wilkerson, Michael Devinney, Gordon S Mitchell
Phrenic long-term facilitation (pLTF) is a form of serotonin-dependent respiratory motor plasticity induced by moderate acute intermittent hypoxia (AIH), but not by moderate acute sustained hypoxia (ASH) of similar cumulative duration. Thus, moderate AIH-induced pLTF is sensitive to the pattern of hypoxia. On the other hand, pLTF induced by severe AIH protocols is neither pattern sensitive nor serotonin dependent (it converts to an adenosine-dependent mechanism). Although moderate AIH also induces hypoglossal LTF (hLTF), no data are available concerning its sensitivity/insensitivity to the pattern of hypoxia...
October 23, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/29061683/teaching-neuroimages-hypoglossal-nerve-palsy-due-to-basilar-invagination
#14
Joshua Bakhsheshian, Khodayar Goshtasbi, Jay Acharya, Ian A Buchanan, Vance Fredrickson, Patrick Reid
No abstract text is available yet for this article.
October 24, 2017: Neurology
https://www.readbyqxmd.com/read/29057361/hypoglossal-nerve-paresis-secondary-to-anterior-approach-of-upper-cervical-spine-followed-by-spontaneous-recovery
#15
Antonio José Vargas López, Laín Hermes González Quarante, Oscar Lucas Gil de Sagredo Del Corral, Antonio Montalvo Afonso, Carlos Fernández Carballal
We describe an exceptional complication of cervical spine surgery in a 63-year-old male. He suffered the impact of a beam to the top of his head. During evaluation in the emergency room he reported intense neck pain with no other neurological symptoms or findings on physical examination. Spine computed tomography (CT) showed C3 vertebral body fracture that required surgical stabilization. A right side anterior approach to upper cervical spine with C3 corpectomy and placement of iliac bone autograft was performed...
September 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29050104/-hypoglossal-nerve-stimulation-therapy-for-obstructive-sleep-apnea-hypopnea-syndrome
#16
Q Yan, B Guan
Obstructive sleep apnea hypopnea syndrome(OSAHS) is a clinical and critical disease to health, which the accuratly pathogenesis is not very explicit. The mainstream research suggested that dysfunction of upper airway dilator muscles is one of the hazard factors. Genioglossus innervated by the hypoglossal nerve plays crucial roles. It could expand volume of pharyngeal cavity, and increase airflow rate when stimulate it.With the development of anatomy and physiology, hypoglossal nerve stimulation(HGNS) entered into clinical trials, and had made tremendous progress since 2001...
October 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29044022/-villaret-syndrome-and-lung-adenocarcinoma-an-unusual-association
#17
Juan José Canciani, Juliana A Ospina, Paula Acosta, Javier López, Agustín Dal Verme, Christian Peralta
Villaret syndrome is defined by the affection of the glossopharyngeal (IX), vagal (X), accessory (XI) and hypoglossal (XII) cranial nerves associated with ipsilateral Horner syndrome. It is caused by the compression of these nerves and the neighboring sympathetic plexus fibers at the base of the skull, particularly in the retroparotid space. Even though the invasion of the central nervous system in patients with advanced lung cancer is a frequent and well known occurrence, this particular symptomatic association is extremely rare...
2017: Medicina
https://www.readbyqxmd.com/read/29032218/the-hypoglossal-nerve-anatomical-study-of-its-entire-course
#18
Giorgio Iaconetta, Domenico Solari, Alessandro Villa, Clotilde Castaldo, Rosa Maria Gerardi, Gianluigi Califano, Stefania Montagnani, Paolo Cappabianca
OBJECT: Only a few anatomic studies concerning the entire course of the hypoglossal nerve (cranial nerve XII) have been reported. The purpose of the present study is to analyze all the relationships of the XII nerve with the surrounding structures from the brainstem to the tongue through a microscopic perspective. A comprehensive anatomically and clinically oriented classification of its different segments is proposed. METHODS: Ten formalin-fixed adult human cadaveric heads (20 sides) were dissected with the aim to explore the entire course of the XII cranial nerve via the lateral suboccipital, the far lateral partial or total transcondilar routes...
October 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29029275/surgical-management-of-intrinsic-tumors-of-the-facial-nerve
#19
Sampath Chandra Prasad, Melissa Laus, Manjunath Dandinarasaiah, Enrico Piccirillo, Alessandra Russo, Abdelkader Taibah, Mario Sanna
BACKGROUND: Intrinsic tumors of the facial nerve are a rare entity. Dealing with this subset of tumors is challenging both in terms of decision making and surgical intervention. OBJECTIVE: To review the outcomes of surgical management of facial nerve tumors and cable nerve graft interpositioning. METHODS: A retrospective analysis was performed at a referral center for skull base pathology. One hundred fifteen patients who were surgically treated for facial nerve tumors were included...
September 29, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29029228/development-of-a-whole-task-simulator-for-carotid-endarterectomy
#20
Gabrielle Santangelo, Doran Mix, Ahmed Ghazi, Michael Stoner, G Edward Vates, Jonathan J Stone
BACKGROUND: Surgical education relies on operative exposure with live patients. Carotid endarterectomy (CEA) demands an experienced surgeon with a very low complication rate. The high-risk nature of this procedure and the decline in number of CEAs performed annually has created a gap in residency training. OBJECTIVE: To develop a high-fidelity whole-task simulation for CEA that demonstrates content, construct, and face validity. METHODS: Anatomically accurate models of the human neck were created using multilayered poly-vinyl alcohol hydrogels...
September 27, 2017: Operative Neurosurgery (Hagerstown, Md.)
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